v3.7.0.1

Accrued Expenses - Narrative (Details)	May 31, 2017
Payables and Accruals [Abstract]
Maximum percentage of total current liabilities included in accrued expenses	5.00%
Maximum percentage of long-term liabilities included in accrued expenses	5.00%

X

- Definition

Maximum percentage of current liabilities at which all other liabilities individually did not exceed.

+ References

No definition available.

+ Details

Name:	caw_MaximumPercentageOfCurrentLiabilities
Namespace Prefix:	caw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Maximum Percent of Long-term Liabilities

+ References

No definition available.

+ Details

Name:	caw_MaximumPercentofLongtermLiabilities
Namespace Prefix:	caw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_PayablesAndAccrualsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration